I know you've answered this before but I can't remembr-- how do you design the character's wardrobes? I'm not really sure how to do that with my own characters and they all end up wearing similar things rather than having their own styles and I'm not sure how to go about fixing that T.T
I actually use quite a bit from the original comic! Especially for Kore. I have an entire section in my Scrivener doc that's allocated to saving images of Kore's various outfits throughout the series (big thanks to the folks in ULO who have compiled these in the first place)
So if I'm ever 'stuck' on what kind of outfit to give Kore for any particular sequence, I start by going through those outfit refs to see if any of them would be appropriate for the scene / episode. If they are, I reuse them, and if they're not, I either adapt a pre-existing outfit that's "close enough" into something new that would fit, or I go online in search of fashion magazines, Pinterest boards, etc. where I can find inspiration :>
When it comes to figuring out what kind of style of clothing a character would wear, remember that fashion is a form of expression that doesn't need words! You can show how a character views themselves or the world around them through their clothing.
Is your character shy and introverted? Show that in the way they hide their body parts underneath baggy clothing.
Do they care a lot about how other people see them, or are they fine just throwing on any old thing? If the former, show that in how they select designer brands (or whatever's fancy for the world they're in) or how they wear their make-up and hair; if the latter, show it by putting them in uncoordinated sets of sweatpants and dirty t-shirts.
Do they buy their clothing new, or secondhand, or do they make their own clothing? If it's the former, make the outfits look clean and coordinated and sterile; if it's the latter, give them stitches, random patches of color, etc.
Do they value function over form? Show that in how they prioritize clothing with lots of pockets and other built-in utilities; or how they deliberately choose not to wear additional accessories that are purely for form.
Did they grow up poor or rich? Show it in how they regularly swap entire outfits, or through how they scrimp and reuse the same clothing even after it's started to develop holes and stains.
Is the town they were raised in based on a specific culture or time period? Show it in what's borrowed from that culture and time, whether it be a Greek peplos or a Japanese yukata or European chemise.
Familiarize yourself with all the different genres and aspects and materials of an outfit, as many as you can. Cotton, polyester, wool, linen, satin; v-necks, crew necks, turtlenecks; sweaters, blouses, leotards; shawls, scarves, ponchos; denim jeans, corduroy, sweatpants, leggings; hats, headphones, goggles, earmuffs; lipstick, eyeliner, blush; earrings, face piercings, tattoos, scarification; jackets, blazers, coats, hoodies; belts, bracelets, hairbands, keychains; ponytails, buns, bobs, buzzcuts; sneakers, dress shoes, clogs; corporate casual, goth, punk, cottage core; the list goes on! Every material and aspect and genre of an outfit is a character trait in and of itself, that informs the viewer as to what the person wearing them prefers and values. The more you build your mental reference library of these aspects, the easier it'll be to find references as you need them and put together outfits on the fly, while keeping them consistent with your character's style and personality.
Most of all, understand your character! Take everything that they value, what they want to show, what they want to hide, what they fear, what they keep to themselves, what they want to be - and then show us all those things through how they dress themselves.