/* Layout: 藍の墨と精麻の金。縦の一本線（麻の繊維）が一日の時間軸として朝→昼→夜をつなぐ editorial 一段組 */
:root{
  /* 明るい一色の世界観で固定（ダークモードでも明るいまま） */
  --paper:#fffdf8;      /* 生成りの白 */
  --paper-2:#f7f1e4;
  --ink:#2b3445;        /* やわらかい藍 */
  --ink-soft:#5d6677;
  --line:#e6dcc6;
  --hemp:#a8822f;       /* 精麻の金 */
  --hemp-soft:#f6ecd4;
  --night:#fbf1dc;      /* 夜の帯：灯りの色 */
  --night-fg:#2b3445;
  --alert:#a3432f;
  --on-accent:#ffffff;
  --display:"Shippori Mincho","Hiragino Mincho ProN","Yu Mincho",serif;
  --body:"Zen Kaku Gothic New","Hiragino Sans","Yu Gothic",system-ui,sans-serif;
  color-scheme:light;
}

*{box-sizing:border-box}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.9;letter-spacing:.02em;-webkit-font-smoothing:antialiased}
.wrap{max-width:960px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.35;text-wrap:balance;margin:0}
p{margin:0}
.eyebrow{font-size:.78rem;letter-spacing:.24em;color:var(--hemp);font-weight:700}
a:focus-visible,button:focus-visible{outline:2px solid var(--hemp);outline-offset:3px}
.num{font-variant-numeric:tabular-nums}

/* hero */
.hero{padding-block:56px 48px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero .wrap{display:grid;gap:28px}
.brand{font-size:.85rem;color:var(--ink-soft);letter-spacing:.14em}
.date{font-family:var(--display);display:flex;align-items:baseline;gap:.3em;flex-wrap:wrap;line-height:1}
.date .y{font-size:1.1rem;color:var(--ink-soft)}
.date .md{font-size:clamp(4.2rem,15vw,8.5rem);font-weight:800;letter-spacing:-.02em}
.date .md small{font-size:.45em;font-weight:600;margin:0 .05em}
.date .dow{font-size:1.4rem;border:1px solid var(--ink);padding:.15em .35em}
.hero h1{font-size:clamp(1.5rem,4.4vw,2.3rem)}
.hero .lead{max-width:36em;color:var(--ink-soft)}
.strand{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid var(--ink)}
.strand a{display:block;padding:14px 12px 4px 0;color:inherit;text-decoration:none;min-width:0}
.strand a+a{padding-left:14px;border-left:1px solid var(--line)}
.strand .t{font-size:.8rem;color:var(--hemp);font-weight:700;letter-spacing:.1em}
.strand .n{font-family:var(--display);font-size:1.05rem;font-weight:600;line-height:1.5}
.strand .tm{font-size:.82rem;color:var(--ink-soft)}
.deadline{display:flex;gap:16px;align-items:center;flex-wrap:wrap;background:var(--hemp-soft);border:1px solid var(--hemp);padding:14px 18px}
.deadline .tag{background:var(--hemp);color:var(--on-accent);font-size:.78rem;font-weight:700;letter-spacing:.12em;padding:4px 10px}
.deadline p{font-size:.95rem;min-width:0;flex:1 1 18em}
.deadline strong{font-family:var(--display);font-size:1.1rem}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6em;background:var(--ink);color:var(--paper);text-decoration:none;font-weight:700;padding:15px 30px;letter-spacing:.12em;border:1px solid var(--ink);transition:background .2s,color .2s}
.btn:hover{background:transparent;color:var(--ink)}
.btn::after{content:"";width:18px;height:1px;background:currentColor}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}
.btn.light{background:var(--hemp);color:var(--on-accent);border-color:var(--hemp)}
.btn.light:hover{background:transparent;color:var(--hemp)}
canvas#fiber{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.55}
.hero .wrap{position:relative}

section{padding-block:72px}
.sec-head{display:grid;gap:10px;margin-bottom:36px}
.sec-head h2{font-size:clamp(1.5rem,3.6vw,2rem)}

/* events: timeline */
.events{display:grid;gap:0}
.ev{display:grid;grid-template-columns:132px minmax(0,1fr);gap:28px;padding-block:36px;border-top:1px solid var(--line)}
.ev:last-child{border-bottom:1px solid var(--line)}
.ev .when{position:relative}
.ev .when .part{font-family:var(--display);font-size:2.2rem;font-weight:800;line-height:1}
.ev .when .clock{font-size:.92rem;color:var(--ink-soft);margin-top:10px}
.ev .body{display:grid;gap:16px;min-width:0}
.ev h3{font-size:clamp(1.3rem,3vw,1.65rem)}
.ev .who{font-size:.95rem;color:var(--ink-soft)}
.ev .who b{color:var(--ink);font-weight:700}
.ev .copy{max-width:38em;display:grid;gap:.6em}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.facts div{background:var(--paper);padding:12px 14px;min-width:0}
.facts dt{font-size:.75rem;color:var(--ink-soft);letter-spacing:.12em}
.facts dd{margin:0;font-weight:500}
.facts .price{font-family:var(--display);font-size:1.35rem;font-weight:700}
.modes{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.modes li{display:grid;grid-template-columns:8.5em minmax(0,1fr);gap:12px;font-size:.93rem;padding-block:8px;border-bottom:1px dashed var(--line)}
.modes b{font-weight:700}
.note{font-size:.85rem;color:var(--ink-soft)}
.invite{border:1px solid var(--hemp);padding:12px 16px;font-size:.93rem;background:var(--hemp-soft)}
.ev.morning .when .part{color:var(--hemp)}
.ev.night{background:var(--night);color:var(--night-fg);border-top:0;margin-inline:calc(-1 * max(16px,env(safe-area-inset-left,0px)));padding-inline:max(16px,env(safe-area-inset-left,0px))}
.ev.night .who,.ev.night .when .clock,.ev.night .note{color:var(--ink-soft)}
.ev.night .who b{color:var(--night-fg)}
.ev.night .facts{background:var(--line);border-color:var(--line)}
.ev.night .facts div{background:var(--paper)}
.ev.night .facts dt{color:var(--ink-soft)}
.ev.night .when .part{color:var(--hemp)}

/* pricing */
.pricing{background:var(--paper-2)}
.price-tabs-note{font-size:.88rem;color:var(--ink-soft);max-width:40em}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);background:var(--paper);margin-top:20px}
table{border-collapse:collapse;width:100%;min-width:640px;font-variant-numeric:tabular-nums}
th,td{padding:14px 16px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
th:first-child,td:first-child{text-align:left}
thead th{font-size:.8rem;font-weight:700;letter-spacing:.06em;vertical-align:bottom;line-height:1.5;background:var(--paper)}
thead th small{display:block;font-weight:400;color:var(--ink-soft);letter-spacing:0}
thead th.hl{background:var(--hemp-soft);border-top:3px solid var(--hemp)}
td.hl{background:var(--hemp-soft);font-family:var(--display);font-weight:700;font-size:1.1rem}
td s{color:var(--ink-soft);font-size:.85em;margin-right:.4em}
tbody tr:last-child td{border-bottom:0}
tr.all td{font-weight:700}
.scroll-hint{display:none;font-size:.78rem;color:var(--ink-soft);margin-top:8px}
@media (max-width:680px){.scroll-hint{display:block}}
.price-notes{display:grid;gap:6px;margin:20px 0 0;padding:0;list-style:none;font-size:.88rem;color:var(--ink-soft)}
.price-notes li::before{content:"※";margin-right:.3em;color:var(--hemp)}

/* set offer */
.sets{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.set{background:var(--paper);border:1px solid var(--line);padding:18px 20px;display:grid;gap:6px;min-width:0}
.set.all{border-color:var(--hemp);background:var(--hemp-soft)}
.set h3{font-size:1.1rem}
.set .pr{font-family:var(--display);font-size:1.6rem;font-weight:700;line-height:1.3}
.set .pr s{font-size:.55em;color:var(--ink-soft);font-weight:500;margin-right:.5em}
.set .save{font-size:.82rem;font-weight:700;color:var(--alert)}
.offer-msg{margin-top:28px;display:grid;gap:.4em;max-width:36em;font-family:var(--display);font-size:1.05rem}
@media (max-width:640px){.sets{grid-template-columns:1fr}}
/* invite */
.invite-sec .copy{display:grid;gap:.8em;max-width:40em}
.inv-prices{display:grid;gap:0;margin:20px 0 0;padding:0;list-style:none;max-width:28em;border-top:1px solid var(--line)}
.inv-prices li{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.inv-prices li b{font-family:var(--display);font-size:1.1rem}

.inv-apply{margin-top:24px;border:1px solid var(--hemp);background:var(--hemp-soft);padding:18px 20px;display:grid;gap:14px;max-width:40em}
.inv-apply .btn{justify-self:start}
@media (max-width:640px){.inv-apply .btn,.cta-row .btn,.city .btn{width:100%;min-height:52px}}
.msg-h{font-size:clamp(1.5rem,4vw,2.1rem)}
.invite .more{display:inline-block;margin-top:6px;padding:10px 0;font-weight:700;color:var(--ink);text-underline-offset:4px}
/* flow */
.flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;counter-reset:s;margin:0;padding:0;list-style:none;border-top:1px solid var(--ink)}
.flow li{padding:22px 22px 8px 0;display:grid;gap:8px;align-content:start;min-width:0}
.flow li+li{padding-left:22px;border-left:1px solid var(--line)}
.flow .step{font-family:var(--display);font-size:2.4rem;font-weight:800;color:var(--hemp);line-height:1}
.flow h3{font-size:1.15rem}
.flow p{font-size:.93rem;color:var(--ink-soft)}

/* notes */
.notes{display:grid;gap:0;margin:0;padding:0;list-style:none;max-width:46em}
.notes li{padding-block:14px;border-bottom:1px solid var(--line);font-size:.95rem;display:grid;grid-template-columns:7em minmax(0,1fr);gap:16px}
.notes li b{font-weight:700;font-size:.85rem;color:var(--ink-soft);letter-spacing:.06em}
.venue{display:grid;gap:4px}

/* final cta */
.final{background:var(--night);color:var(--night-fg);text-align:left}
.final h2{font-size:clamp(1.6rem,4.4vw,2.4rem);margin-bottom:18px}
.final p{color:var(--ink-soft);max-width:34em}
.final .cta-row{margin-top:30px}
.final .deadline{background:transparent;border-color:var(--hemp);margin-top:28px}
.final .deadline p{color:var(--night-fg)}

footer{padding-block:40px;font-size:.88rem;color:var(--ink-soft)}
footer .wrap{display:grid;gap:14px}
.contact{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.mail{font-family:var(--body);font-weight:700;color:var(--ink);user-select:all;-webkit-user-select:all;border-bottom:1px solid var(--hemp)}
.copybtn{font:inherit;font-size:.8rem;background:transparent;border:1px solid var(--line);color:var(--ink);padding:3px 10px;cursor:pointer}


/* cities */
.cities{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.city{border:1px solid var(--line);background:var(--paper);padding:20px;display:grid;gap:10px;align-content:start;min-width:0}
.city h3{font-size:1.4rem}
.city .d{font-family:var(--display);font-size:1.05rem}
.city ul{margin:0;padding:0;list-style:none;display:grid;gap:4px;font-size:.92rem}
.city .cap{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.08em;color:var(--alert);border:1px solid var(--alert);padding:1px 8px;width:max-content}
.city .btn{padding:12px 18px;font-size:.9rem;width:100%}
@media (max-width:760px){.cities{grid-template-columns:1fr}}
/* photos */
.speakers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:none}
.speakers .f{aspect-ratio:4/5;overflow:hidden;max-width:100%}
.speakers figcaption{font-size:.9rem;color:var(--ink);padding-top:8px;border-top:2px solid var(--hemp);margin-top:8px}
.theme-slot{border-left:3px solid var(--hemp);padding:4px 0 4px 14px}
.theme-slot .eyebrow{display:block}
.theme-slot p.t{font-family:var(--display);font-size:clamp(1.2rem,3.2vw,1.5rem);font-weight:600}
.speakers figcaption b{font-family:var(--display);font-size:1.05rem}
.mg{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}
.mg .f{overflow:hidden;min-width:0}
.mg .f img{width:100%;height:100%;object-fit:cover;display:block}
.mg .a,.mg .b{grid-column:span 3;aspect-ratio:3/2}
.mg .c,.mg .d,.mg .e{grid-column:span 2;aspect-ratio:4/5}
@media (max-width:640px){.mg{grid-template-columns:repeat(2,minmax(0,1fr))}.mg .a{grid-column:1/-1}.mg .b{grid-column:1/-1}.mg .c,.mg .d{grid-column:span 1}.mg .e{grid-column:1/-1;aspect-ratio:3/2}}
.final-photo{margin-top:36px;aspect-ratio:21/8;overflow:hidden;max-width:100%}
.final-photo img{width:100%;height:100%;object-fit:cover;display:block}

.ph{margin:0;display:grid;gap:8px}
.ph img{display:block;width:100%;height:100%;object-fit:cover;background:var(--paper-2)}
.ph figcaption{font-size:.78rem;color:var(--ink-soft);letter-spacing:.04em}
.hero-photos{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:8px}
.hero-photos .f{aspect-ratio:4/5;overflow:hidden;max-width:100%}
.hero-photos .f:first-child{aspect-ratio:auto}
.trio{display:grid;grid-template-columns:2fr 1fr 1fr;gap:8px}
.trio .f{aspect-ratio:3/4;overflow:hidden;max-width:100%}
.trio .f.wide{aspect-ratio:auto}
.trio.duo{grid-template-columns:2fr 1fr}
@media (max-width:640px){.hero-photos{grid-template-columns:1fr 1fr}.hero-photos .f:first-child{grid-column:1/-1;aspect-ratio:16/10}.trio{grid-template-columns:1fr 1fr}.trio .f.wide{grid-column:1/-1;aspect-ratio:16/10}}
@media (max-width:640px){
  .hero{padding-block:36px 36px}
  .strand{grid-template-columns:1fr}
  .strand a+a{padding-left:0;border-left:0;border-top:1px solid var(--line)}
  .strand a{padding:10px 0}
  .ev{grid-template-columns:1fr;gap:14px}
  .ev .when{display:flex;align-items:baseline;gap:14px}
  .ev .when .clock{margin-top:0}
  .flow{grid-template-columns:1fr}
  .flow li+li{padding-left:0;border-left:0;border-top:1px solid var(--line)}
  .flow li{padding:18px 0}
  .modes li,.notes li{grid-template-columns:1fr;gap:2px}
  .btn{width:100%}
  section{padding-block:56px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media (max-width:640px){.trio.duo{grid-template-columns:1fr}.trio.duo .f:not(.wide){grid-column:1/-1;aspect-ratio:16/10}}
.lecturer{max-width:280px}
.lecturer .f{aspect-ratio:4/5;overflow:hidden}
.lecturer figcaption{font-size:.9rem;color:var(--ink);padding-top:8px;border-top:2px solid var(--hemp)}
.lecturer figcaption b{font-family:var(--display);font-size:1.05rem}
@media (max-width:640px){.lecturer{max-width:62%}}

/* 2026-10-19 修正：対談タイトル・肩書き・改行調整 */
.nw{display:inline-block}
h1,h2,h3,.strand .n,.strand .ttl{word-break:keep-all;overflow-wrap:anywhere}
p,li,dd,figcaption,.note{text-wrap:pretty}
.theme-slot{display:grid;gap:4px;padding:6px 0 8px 16px}
.theme-slot p.t{font-size:clamp(1.75rem,6.4vw,2.5rem);font-weight:800;line-height:1.3;letter-spacing:.04em;word-break:keep-all;overflow-wrap:anywhere}
.theme-slot p.sub{font-family:var(--display);font-size:clamp(.95rem,3.4vw,1.1rem);color:var(--ink-soft);letter-spacing:.08em;word-break:keep-all;overflow-wrap:anywhere}
.strand .ttl{display:block;font-family:var(--display);font-size:.95rem;font-weight:600;color:var(--hemp);line-height:1.5}
.strand .tm{display:block}
figcaption .role{display:block;font-size:.82rem;color:var(--ink-soft);letter-spacing:.04em;margin-top:2px}
td .off{display:block;font-family:var(--body);font-size:.72rem;font-weight:700;color:var(--alert);letter-spacing:.04em;line-height:1.4;margin-top:2px}
.deadline strong{white-space:nowrap}
.speakers{align-items:start}
.theme-slot p.t{font-feature-settings:"palt";letter-spacing:.03em}
figcaption .role{word-break:keep-all;overflow-wrap:anywhere}
@media (max-width:640px){.speakers figcaption .role{font-size:.76rem;letter-spacing:0}}