:root {
  --paper: #ffffff;
  --ink: #283b39;
  --asagi: #337b79;
  --line: #d4d7cc;
  --wash: #f2f6f4;
  --serif: "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 14px; line-height: 1.9; -webkit-font-smoothing: antialiased; overflow-wrap: anywhere; }
a { color: inherit; text-decoration: none; text-underline-offset: 5px; }
button { font: inherit; cursor: pointer; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--asagi); outline-offset: 5px; }
::selection { color: var(--paper); background: var(--asagi); }
img { display: block; width: 100%; height: auto; object-fit: cover; }
figure, p, h1, h2, h3, dl, dd { margin: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; }
.wrap { width: min(1120px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 10; top: 10px; left: 16px; padding: 8px 16px; color: var(--paper); background: var(--ink); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.sample-note { padding: 5px 24px; background: var(--wash); text-align: center; color: var(--asagi); font-size: 10px; letter-spacing: .12em; }
.header-main { display: flex; justify-content: space-between; align-items: center; min-height: 118px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 17px; }
.brand-mark { display: grid; place-items: center; width: 44px; height: 50px; border: 1px solid var(--asagi); color: var(--asagi); font-family: var(--serif); font-size: 32px; line-height: 1; }
.brand-type { display: flex; flex-direction: column; }
.brand-area { font-size: 10px; letter-spacing: .14em; }
.brand-name { font-family: var(--serif); font-size: 31px; letter-spacing: .13em; line-height: 1.55; }
.header-contact { text-align: right; }
.header-contact a { display: flex; align-items: center; gap: 15px; }
.phone-prefix { font-size: 11px; }
.phone-number { font-family: var(--serif); font-size: 25px; letter-spacing: .04em; font-variant-numeric: lining-nums; }
.header-contact p { font-size: 10px; letter-spacing: .03em; }
.main-nav { display: flex; align-items: center; justify-content: flex-end; gap: 40px; border-block: 1px solid var(--line); }
.main-nav a { display: inline-flex; align-items: center; min-height: 50px; font-size: 12px; letter-spacing: .08em; }
.main-nav a:hover, .brand:hover, .header-contact a:hover { color: var(--asagi); }
.hero { display: grid; grid-template-columns: .84fr 1.5fr; gap: 36px; padding-top: 39px; padding-bottom: 40px; align-items: center; }
.hero-copy { padding-block: 25px 44px; }
.eyebrow { color: var(--asagi); font-size: 11px; letter-spacing: .12em; margin-bottom: 24px; }
h1 { font-size: clamp(30px, 3.15vw, 42px); line-height: 1.7; letter-spacing: .07em; }
.hero-description { margin-top: 24px; font-size: 13px; line-height: 2.2; letter-spacing: .06em; }
.text-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 22px; padding-block: 7px; border-bottom: 1px solid var(--asagi); color: var(--asagi); font-size: 12px; letter-spacing: .04em; }
.text-link span { font-size: 18px; line-height: 1; transition: transform .18s ease; }
.text-link:hover span { transform: translateX(3px); }
.hero-link { margin-top: 30px; }
.hero-figure img { aspect-ratio: 1.22; height: auto; object-position: 48% 50%; }
figcaption { padding-top: 10px; font-size: 10px; line-height: 1.7; }
.hero-figure figcaption { display: flex; justify-content: space-between; gap: 16px; }
.intro-strip { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 23px; border-block: 1px solid var(--line); }
.intro-strip p { font-family: var(--serif); font-size: 17px; letter-spacing: .04em; }
.section { padding-block: 88px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 36px; }
.section-index { display: flex; align-items: center; gap: 13px; margin-bottom: 12px; color: var(--asagi); font-size: 11px; letter-spacing: .09em; }
.section-index span { padding-left: 13px; border-left: 1px solid var(--asagi); line-height: 1.2; }
h2 { font-size: 33px; letter-spacing: .08em; line-height: 1.65; }
.section-intro { font-size: 13px; line-height: 2.1; letter-spacing: .03em; }
.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 43px 36px; }
.product img { aspect-ratio: 1.7; }
.product-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 19px; margin-bottom: 8px; }
.product h3 { font-size: 22px; letter-spacing: .04em; }
.product-heading > span { color: var(--asagi); font-size: 9px; letter-spacing: .08em; white-space: nowrap; }
.product > p:not(.price):not(.price-condition) { font-size: 13px; line-height: 1.9; }
.price { display: flex; align-items: baseline; gap: 14px; margin-top: 14px; padding-top: 11px; border-top: 1px solid var(--line); }
.price > span { font-size: 12px; }
.price strong { font-family: var(--serif); font-size: 26px; font-weight: 500; line-height: 1.5; }
.price strong span { font-size: 14px; margin-left: 5px; }
.price-condition { font-size: 10px; margin-top: 3px; }
.section-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 37px; padding-top: 25px; border-top: 1px solid var(--line); }
.section-bottom > p { font-size: 11px; line-height: 1.9; }
.reassurance { font-size: 11px; margin-top: 7px; }
.paper-band { background: var(--wash); padding-block: 66px; }
.paper-layout { display: grid; grid-template-columns: 1.17fr 1fr; align-items: center; gap: 65px; }
.paper-photo img { aspect-ratio: 1.05; }
.paper-copy h2 { font-size: 35px; margin-bottom: 23px; line-height: 1.65; }
.paper-copy > p:not(.section-index):not(.reassurance) { font-size: 13px; line-height: 2; margin-bottom: 12px; }
.letterpress-note { margin-block: 24px 17px; padding-top: 20px; border-top: 1px solid var(--line); }
.letterpress-note h3 { font-size: 20px; margin-bottom: 9px; }
.letterpress-note p { font-size: 13px; }
.fine-print, .letterpress-note .fine-print { font-size: 10px; }
.letterpress-note .fine-print { margin-top: 5px; }
.flow { padding-bottom: 76px; }
.flow-list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
.flow-list li { position: relative; padding: 26px 22px 8px 0; margin-right: 22px; }
.flow-list li:not(:last-child)::after { content: "→"; position: absolute; color: var(--asagi); top: 28px; right: -4px; font-size: 19px; }
.flow-list li:last-child { margin-right: 0; padding-right: 0; }
.step-number { display: block; margin-bottom: 14px; color: var(--asagi); font-family: var(--serif); font-size: 27px; line-height: 1.5; }
.flow-list h3 { font-size: 18px; margin-bottom: 10px; }
.flow-list p { font-size: 12px; line-height: 2; }
.timing { display: grid; grid-template-columns: 170px 1fr auto; gap: 25px; align-items: center; margin-top: 32px; padding: 23px 26px; background: var(--wash); }
.timing h3 { font-size: 16px; }
.timing p { font-size: 12px; }
.timing strong { font-weight: 500; color: var(--asagi); }
.timing .text-link { font-size: 11px; gap: 12px; }
.workshop { border-top: 1px solid var(--line); }
.workshop-layout { display: grid; grid-template-columns: 1.35fr 1fr; gap: 58px; align-items: start; }
.hands-photo img { aspect-ratio: .92; object-position: 42% 50%; }
.hands-photo figcaption { display: flex; justify-content: space-between; gap: 12px; }
.hands-photo figcaption span { white-space: nowrap; }
.workshop-story { padding-top: 2px; }
.workshop-story h3 { font-size: 26px; line-height: 1.8; letter-spacing: .06em; margin-bottom: 19px; }
.workshop-story > p { font-size: 13px; line-height: 2.15; margin-bottom: 13px; }
.workshop-story .signature { margin-block: 19px 24px; font-size: 10px; }
.signature span { display: inline-block; margin-left: 14px; font-family: var(--serif); font-size: 20px; letter-spacing: .15em; }
.machine-photo img { aspect-ratio: 2.05; }
.workshop-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); }
.workshop-bottom p { font-size: 12px; }
.access-band { background: var(--wash); }
.access-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; margin-top: 38px; }
.access-directions { padding-top: 21px; }
.location-kicker { color: var(--asagi); font-size: 11px; letter-spacing: .05em; margin-bottom: 15px; }
.access-directions h3 { font-size: 27px; line-height: 1.8; letter-spacing: .03em; margin-bottom: 19px; }
.access-directions > p:not(.location-kicker):not(.fine-print) { font-size: 13px; }
.direction-line { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-block: 26px 13px; padding-block: 14px; border-block: 1px solid var(--line); color: var(--asagi); font-size: 11px; }
.direction-turn { font-size: 10px; }
.shop-details { border-top: 1px solid var(--line); }
.shop-details > div { display: grid; grid-template-columns: 88px 1fr; gap: 16px; padding-block: 13px; border-bottom: 1px solid var(--line); font-size: 12px; }
.shop-details dt { color: var(--asagi); font-size: 11px; }
.detail-note { display: block; margin-top: 4px; }
.contact { margin-top: 54px; padding-top: 38px; border-top: 1px solid var(--asagi); }
.contact-heading { text-align: center; }
.contact-heading h3 { font-size: 28px; letter-spacing: .07em; }
.contact-heading p { margin-top: 11px; font-size: 12px; }
.contact-options { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; max-width: 880px; margin: 26px auto 0; }
.contact-button { position: relative; display: flex; flex-direction: column; justify-content: center; min-height: 110px; padding: 16px 48px 16px 28px; border: 1px solid var(--asagi); transition: background-color .18s ease, color .18s ease; }
.phone-button { background: var(--asagi); color: var(--paper); }
.phone-button > span:first-child { font-size: 11px; }
.phone-button strong { font-family: var(--serif); font-size: 28px; font-weight: 500; letter-spacing: .04em; line-height: 1.6; }
.line-button { color: var(--asagi); }
.line-button > span:first-child { font-size: 17px; }
.button-sub { font-size: 11px; margin-top: 3px; }
.button-arrow { position: absolute; right: 23px; top: 50%; transform: translateY(-50%); font-size: 23px; }
.contact-option > p { text-align: center; margin-top: 9px; font-size: 10px; }
.phone-button:hover { background: var(--ink); border-color: var(--ink); }
.line-button:hover { background: var(--asagi); color: var(--paper); }
.demo-contact-note { font-size: 10px; text-align: center; margin-top: 24px; }
.site-footer { padding-block: 40px 28px; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 25px; }
.footer-name { font-family: var(--serif); font-size: 24px; letter-spacing: .1em; }
.footer-caption { font-size: 10px; max-width: 900px; }
.copyright { display: flex; justify-content: space-between; gap: 18px; margin-top: 19px; padding-top: 15px; border-top: 1px solid var(--line); font-size: 9px; letter-spacing: .05em; }
.demo-dialog { width: min(460px, calc(100% - 40px)); max-height: calc(100% - 40px); padding: 0; color: var(--ink); background: var(--paper); border: 1px solid var(--asagi); }
.demo-dialog::backdrop { background: rgb(40 59 57 / 50%); }
.dialog-content { padding: 30px; }
.demo-dialog h2 { font-size: 23px; margin-bottom: 17px; }
.demo-dialog #dialog-description { font-size: 13px; line-height: 2; }
.dialog-close { display: flex; justify-content: space-between; width: 100%; gap: 15px; margin-top: 25px; padding: 12px 16px; border: 1px solid var(--asagi); color: var(--paper); background: var(--asagi); font-size: 12px; }
body.dialog-open { overflow: hidden; }
.mobile-only { display: none; }

@media (max-width: 1000px) {
  .wrap { width: calc(100% - 64px); }
  .hero { grid-template-columns: .95fr 1.2fr; gap: 24px; }
  .hero-figure img { aspect-ratio: .93; }
  .hero-copy { padding-bottom: 25px; }
  .phone-prefix { display: none; }
  .main-nav { gap: 30px; }
  .paper-layout { gap: 34px; }
  .product-heading { display: block; }
  .product-heading > span { display: block; margin-top: 4px; }
  .flow-list li { margin-right: 14px; padding-right: 14px; }
  .flow-list h3 { font-size: 16px; }
  .timing { grid-template-columns: 145px 1fr; }
  .timing .text-link { grid-column: 2; justify-self: start; }
  .workshop-layout { gap: 32px; grid-template-columns: 1.1fr 1fr; }
  .hands-photo img { aspect-ratio: .7; }
  .access-layout { gap: 40px; }
}

@media (max-width: 700px) {
  html { scroll-padding-top: 14px; }
  body { font-size: 13px; }
  .wrap { width: calc(100% - 40px); }
  .sample-note { padding-block: 4px; font-size: 9px; letter-spacing: .06em; }
  .header-main { min-height: 96px; gap: 12px; }
  .brand { gap: 10px; }
  .brand-mark { width: 30px; height: 38px; font-size: 25px; }
  .brand-area { font-size: 8px; letter-spacing: .03em; }
  .brand-name { font-size: 23px; letter-spacing: .06em; }
  .header-contact { align-self: center; }
  .header-contact a { display: block; }
  .phone-prefix { display: block; font-size: 8px; letter-spacing: 0; }
  .phone-number { display: block; font-family: var(--sans); font-size: 11px; letter-spacing: 0; white-space: nowrap; }
  .header-contact p { display: block; font-size: 8px; line-height: 1.7; letter-spacing: 0; }
  .header-contact p span { display: block; }
  .header-contact p .hours-divider { display: none; }
  .main-nav { gap: 0; justify-content: space-between; }
  .main-nav a { min-height: 46px; font-size: 10px; letter-spacing: .02em; }
  .main-nav .nav-paper, .main-nav .nav-workshop { display: none; }
  .hero { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; padding-top: 25px; padding-bottom: 26px; align-items: stretch; }
  .hero-copy { display: contents; }
  .eyebrow { grid-row: 1; font-size: 10px; margin-bottom: 11px; letter-spacing: .08em; }
  h1 { grid-row: 2; font-size: 31px; line-height: 1.6; letter-spacing: .07em; }
  .hero-description { grid-row: 4; font-size: 12px; line-height: 2; margin-top: 19px; }
  .hero-description br:last-child { display: none; }
  .hero-link { grid-row: 5; justify-self: start; margin-top: 13px; font-size: 11px; }
  .hero-figure { grid-row: 3; margin-top: 20px; }
  .hero-figure img { aspect-ratio: 1.2; object-position: 48% 50%; }
  .hero-figure figcaption { font-size: 8px; gap: 8px; padding-top: 8px; }
  .intro-strip { display: block; padding-block: 20px; }
  .intro-strip p { font-size: 15px; line-height: 1.9; }
  .intro-strip .text-link { margin-top: 12px; }
  .section { padding-block: 54px; }
  .section-heading { display: block; margin-bottom: 25px; }
  .section-index { font-size: 10px; margin-bottom: 10px; }
  h2 { font-size: 27px; letter-spacing: .05em; }
  .section-intro { font-size: 12px; margin-top: 16px; line-height: 2; }
  .product-grid { grid-template-columns: 1fr; gap: 31px; }
  .product img { aspect-ratio: 1.5; }
  .product-heading { display: flex; gap: 8px; margin-top: 14px; margin-bottom: 8px; }
  .product h3 { font-size: 21px; }
  .product-heading > span { font-size: 7px; letter-spacing: .02em; margin: 0; }
  .product:last-child .product-heading { display: block; }
  .product:last-child .product-heading > span { margin-top: 4px; }
  .product > p:not(.price):not(.price-condition) { font-size: 13px; }
  .price { margin-top: 12px; padding-top: 10px; gap: 12px; }
  .price > span { font-size: 11px; }
  .price strong { font-size: 25px; }
  .price-condition { font-size: 10px; }
  .section-bottom { display: block; margin-top: 27px; padding-top: 20px; }
  .section-bottom > p { font-size: 10px; }
  .section-bottom > div { margin-top: 17px; }
  .paper-band { padding-block: 42px; }
  .paper-layout { display: flex; flex-direction: column; gap: 25px; align-items: stretch; }
  .paper-photo img { aspect-ratio: 1.25; }
  .paper-photo figcaption { font-size: 9px; }
  .paper-copy h2 { font-size: 30px; margin-bottom: 19px; }
  .paper-copy > p:not(.section-index):not(.reassurance) { font-size: 13px; }
  .letterpress-note { margin-top: 23px; }
  .letterpress-note p { font-size: 13px; }
  .flow-list { grid-template-columns: 1fr; }
  .flow-list li { display: flex; gap: 21px; padding: 21px 0; margin: 0; border-bottom: 1px solid var(--line); }
  .flow-list li:last-child { padding-right: 0; }
  .flow-list li:not(:last-child)::after { content: none; }
  .step-number { flex: 0 0 35px; font-size: 26px; margin: 0; }
  .flow-list h3 { font-size: 19px; margin-bottom: 6px; }
  .flow-list p { font-size: 13px; }
  .timing { display: block; margin-top: 24px; padding: 21px; }
  .timing h3 { margin-bottom: 8px; }
  .timing .text-link { margin-top: 13px; }
  .workshop-layout { display: flex; flex-direction: column; gap: 25px; }
  .hands-photo { width: 100%; }
  .hands-photo img { aspect-ratio: 1.13; }
  .hands-photo figcaption { font-size: 8px; gap: 8px; }
  .workshop-story h3 { font-size: 24px; margin-bottom: 16px; }
  .workshop-story > p { font-size: 13px; }
  .workshop-story .signature { margin-block: 17px 24px; }
  .machine-photo img { aspect-ratio: 1.65; }
  .machine-photo figcaption { font-size: 9px; }
  .workshop-bottom { display: block; margin-top: 25px; padding-top: 20px; }
  .workshop-bottom p { font-size: 11px; }
  .workshop-bottom .text-link { margin-top: 12px; }
  .access-layout { grid-template-columns: 1fr; gap: 28px; margin-top: 22px; }
  .access-directions { padding-top: 0; }
  .access-directions h3 { font-size: 24px; }
  .direction-line { font-size: 10px; gap: 8px; }
  .direction-turn { font-size: 9px; }
  .access-directions .fine-print { font-size: 9px; }
  .shop-details > div { grid-template-columns: 72px 1fr; font-size: 12px; gap: 17px; padding-block: 12px; }
  .contact { margin-top: 34px; padding-top: 28px; }
  .contact-heading { text-align: left; }
  .contact-heading h3 { font-size: 22px; letter-spacing: .02em; }
  .contact-heading p { font-size: 12px; }
  .contact-options { grid-template-columns: 1fr; gap: 20px; margin-top: 23px; }
  .contact-button { min-height: 102px; padding-left: 23px; }
  .phone-button strong { font-size: 27px; }
  .contact-option > p { font-size: 9px; }
  .demo-contact-note { font-size: 9px; margin-top: 20px; }
  .site-footer { padding-block: 30px 22px; }
  .footer-name { font-size: 21px; letter-spacing: .04em; }
  .footer-top { gap: 12px; margin-bottom: 19px; }
  .footer-top .text-link { font-size: 10px; gap: 10px; }
  .footer-caption { font-size: 9px; line-height: 1.9; }
  .copyright { font-size: 8px; gap: 10px; }
  .dialog-content { padding: 26px 23px; }
  .demo-dialog h2 { font-size: 22px; }
  .mobile-only { display: initial; }
  .desktop-only { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ===== 10/24 Astra指摘の直し（白地のまま、寂しさを減らす） ===== */
:root { --line: #b8c5c0; }
body { font-size: 15px; line-height: 1.85; }
.hero-description, .section-intro, .product > p:not(.price):not(.price-condition),
.paper-copy > p:not(.section-index):not(.reassurance), .letterpress-note p,
.flow-list p, .timing p, .workshop-story > p, .access-directions > p:not(.location-kicker):not(.fine-print),
.shop-details > div, .contact-heading p, .workshop-bottom p, .intro-strip p { font-size: 15px; }
figcaption, .fine-print, .price-condition, .section-bottom > p, .reassurance, .contact-option > p,
.demo-contact-note, .footer-caption, .detail-note, .phone-prefix, .header-contact p { font-size: 12px; }
.product h3, .flow-list h3 { font-family: var(--sans); font-weight: 600; }
.price strong { font-size: 30px; }
.product-heading > span { display: none; }
.section { padding-block: 64px; }
.section-heading { margin-bottom: 24px; }
.product-grid { gap: 32px 24px; }
.product-heading { margin-top: 14px; }
.main-nav { border-bottom: 2px solid var(--asagi); }
.hero-link { padding: 12px 18px; background: var(--asagi); color: #fff; border: 0; font-size: 14px; }
.hero-link:hover { background: var(--ink); }
.main-nav a { font-size: 13px; }
.paper-band, .access-band { padding-block: 0; }
.paper-band .paper-layout { padding-block: 56px; }
@media (max-width: 700px) {
  body { font-size: 15px; }
  .header-main { min-height: 80px; }
  h1 { font-size: 30px; line-height: 1.45; }
  .hero-description br { display: none; }
  .hero-figure img { aspect-ratio: 3 / 2; }
  .section { padding-block: 40px; }
  .section-heading { margin-bottom: 20px; }
  .product-grid { gap: 28px; }
  .main-nav a { font-size: 12px; }
  .phone-number { font-size: 13px; }
  .hero-figure figcaption, .hands-photo figcaption, figcaption, .fine-print, .price-condition,
  .section-bottom > p, .contact-option > p, .demo-contact-note, .footer-caption { font-size: 12px; }
  .hero-description, .section-intro, .product > p:not(.price):not(.price-condition),
  .flow-list p, .workshop-story > p, .shop-details > div, .contact-heading p { font-size: 15px; }
  .paper-band .paper-layout { padding-block: 40px; }
  .phone-prefix, .header-contact p { font-size: 10px; }
}

/* 2026-10-26 Hiroki指摘：濃い色のベタ塗りはAI生成感 → ボタンは白地＋細い線、ナビの文字に細い下線 */
.hero-link{background:var(--paper);color:var(--asagi);border:1px solid var(--asagi)}
.hero-link:hover{background:var(--wash);color:var(--asagi)}
.phone-button{background:var(--paper);color:var(--ink)}
.phone-button:hover{background:var(--wash);border-color:var(--asagi);color:var(--ink)}
.line-button:hover{background:var(--wash);color:var(--asagi)}
.main-nav a{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:7px;text-decoration-color:rgba(40,59,57,.32)}
.main-nav a:hover{text-decoration-color:var(--asagi)}
